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Message-ID: <55CF51A2.1080307@kernel.org>
Date:	Sat, 15 Aug 2015 15:50:10 +0100
From:	Jonathan Cameron <jic23@...nel.org>
To:	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Markus Pargmann <mpa@...gutronix.de>
Cc:	Vlad Dogaru <vlad.dogaru@...el.com>,
	Paul Bolle <pebolle@...cali.nl>, linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel@...gutronix.de
Subject: Re: [PATCH v3 2/6] iio: bmg160: Remove i2c_client from data struct

On 12/08/15 17:03, Srinivas Pandruvada wrote:
> On Wed, 2015-08-12 at 16:50 +0200, Markus Pargmann wrote:
>> i2c_client variable is not really used anymore in the core driver. It is
>> only used to get the device to make proper outputs.
>>
>> This patch replaces all i2c_client usage through direct usage of the
>> device pointer.
>>
>> Signed-off-by: Markus Pargmann <mpa@...gutronix.de>
> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Applied to the togreg branch of iio.git

Thanks,

Jonathan
>> ---
>>  drivers/iio/gyro/bmg160.c | 64 +++++++++++++++++++++++------------------------
>>  1 file changed, 32 insertions(+), 32 deletions(-)
>>
>> diff --git a/drivers/iio/gyro/bmg160.c b/drivers/iio/gyro/bmg160.c
>> index bbe02053e98a..4701ea17baea 100644
>> --- a/drivers/iio/gyro/bmg160.c
>> +++ b/drivers/iio/gyro/bmg160.c
>> @@ -98,7 +98,7 @@
>>  #define BMG160_AUTO_SUSPEND_DELAY_MS	2000
>>  
>>  struct bmg160_data {
>> -	struct i2c_client *client;
>> +	struct device *dev;
>>  	struct regmap *regmap;
>>  	struct iio_trigger *dready_trig;
>>  	struct iio_trigger *motion_trig;
>> @@ -148,7 +148,7 @@ static int bmg160_set_mode(struct bmg160_data *data, u8 mode)
>>  
>>  	ret = regmap_write(data->regmap, BMG160_REG_PMU_LPW, mode);
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev, "Error writing reg_pmu_lpw\n");
>> +		dev_err(data->dev, "Error writing reg_pmu_lpw\n");
>>  		return ret;
>>  	}
>>  
>> @@ -178,7 +178,7 @@ static int bmg160_set_bw(struct bmg160_data *data, int val)
>>  
>>  	ret = regmap_write(data->regmap, BMG160_REG_PMU_BW, bw_bits);
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev, "Error writing reg_pmu_bw\n");
>> +		dev_err(data->dev, "Error writing reg_pmu_bw\n");
>>  		return ret;
>>  	}
>>  
>> @@ -194,13 +194,13 @@ static int bmg160_chip_init(struct bmg160_data *data)
>>  
>>  	ret = regmap_read(data->regmap, BMG160_REG_CHIP_ID, &val);
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev, "Error reading reg_chip_id\n");
>> +		dev_err(data->dev, "Error reading reg_chip_id\n");
>>  		return ret;
>>  	}
>>  
>> -	dev_dbg(&data->client->dev, "Chip Id %x\n", val);
>> +	dev_dbg(data->dev, "Chip Id %x\n", val);
>>  	if (val != BMG160_CHIP_ID_VAL) {
>> -		dev_err(&data->client->dev, "invalid chip %x\n", val);
>> +		dev_err(data->dev, "invalid chip %x\n", val);
>>  		return -ENODEV;
>>  	}
>>  
>> @@ -219,14 +219,14 @@ static int bmg160_chip_init(struct bmg160_data *data)
>>  	/* Set Default Range */
>>  	ret = regmap_write(data->regmap, BMG160_REG_RANGE, BMG160_RANGE_500DPS);
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev, "Error writing reg_range\n");
>> +		dev_err(data->dev, "Error writing reg_range\n");
>>  		return ret;
>>  	}
>>  	data->dps_range = BMG160_RANGE_500DPS;
>>  
>>  	ret = regmap_read(data->regmap, BMG160_REG_SLOPE_THRES, &val);
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev, "Error reading reg_slope_thres\n");
>> +		dev_err(data->dev, "Error reading reg_slope_thres\n");
>>  		return ret;
>>  	}
>>  	data->slope_thres = val;
>> @@ -235,7 +235,7 @@ static int bmg160_chip_init(struct bmg160_data *data)
>>  	ret = regmap_update_bits(data->regmap, BMG160_REG_INT_EN_1,
>>  				 BMG160_INT1_BIT_OD, 0);
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev, "Error updating bits in reg_int_en_1\n");
>> +		dev_err(data->dev, "Error updating bits in reg_int_en_1\n");
>>  		return ret;
>>  	}
>>  
>> @@ -243,7 +243,7 @@ static int bmg160_chip_init(struct bmg160_data *data)
>>  			   BMG160_INT_MODE_LATCH_INT |
>>  			   BMG160_INT_MODE_LATCH_RESET);
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev,
>> +		dev_err(data->dev,
>>  			"Error writing reg_motion_intr\n");
>>  		return ret;
>>  	}
>> @@ -257,17 +257,17 @@ static int bmg160_set_power_state(struct bmg160_data *data, bool on)
>>  	int ret;
>>  
>>  	if (on)
>> -		ret = pm_runtime_get_sync(&data->client->dev);
>> +		ret = pm_runtime_get_sync(data->dev);
>>  	else {
>> -		pm_runtime_mark_last_busy(&data->client->dev);
>> -		ret = pm_runtime_put_autosuspend(&data->client->dev);
>> +		pm_runtime_mark_last_busy(data->dev);
>> +		ret = pm_runtime_put_autosuspend(data->dev);
>>  	}
>>  
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev,
>> +		dev_err(data->dev,
>>  			"Failed: bmg160_set_power_state for %d\n", on);
>>  		if (on)
>> -			pm_runtime_put_noidle(&data->client->dev);
>> +			pm_runtime_put_noidle(data->dev);
>>  
>>  		return ret;
>>  	}
>> @@ -286,7 +286,7 @@ static int bmg160_setup_any_motion_interrupt(struct bmg160_data *data,
>>  				 BMG160_INT_MAP_0_BIT_ANY,
>>  				 (status ? BMG160_INT_MAP_0_BIT_ANY : 0));
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev, "Error updating bits reg_int_map0\n");
>> +		dev_err(data->dev, "Error updating bits reg_int_map0\n");
>>  		return ret;
>>  	}
>>  
>> @@ -296,7 +296,7 @@ static int bmg160_setup_any_motion_interrupt(struct bmg160_data *data,
>>  		ret = regmap_write(data->regmap, BMG160_REG_SLOPE_THRES,
>>  				   data->slope_thres);
>>  		if (ret < 0) {
>> -			dev_err(&data->client->dev,
>> +			dev_err(data->dev,
>>  				"Error writing reg_slope_thres\n");
>>  			return ret;
>>  		}
>> @@ -305,7 +305,7 @@ static int bmg160_setup_any_motion_interrupt(struct bmg160_data *data,
>>  				   BMG160_INT_MOTION_X | BMG160_INT_MOTION_Y |
>>  				   BMG160_INT_MOTION_Z);
>>  		if (ret < 0) {
>> -			dev_err(&data->client->dev,
>> +			dev_err(data->dev,
>>  				"Error writing reg_motion_intr\n");
>>  			return ret;
>>  		}
>> @@ -321,7 +321,7 @@ static int bmg160_setup_any_motion_interrupt(struct bmg160_data *data,
>>  					   BMG160_INT_MODE_LATCH_INT |
>>  					   BMG160_INT_MODE_LATCH_RESET);
>>  			if (ret < 0) {
>> -				dev_err(&data->client->dev,
>> +				dev_err(data->dev,
>>  					"Error writing reg_rst_latch\n");
>>  				return ret;
>>  			}
>> @@ -335,7 +335,7 @@ static int bmg160_setup_any_motion_interrupt(struct bmg160_data *data,
>>  	}
>>  
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev, "Error writing reg_int_en0\n");
>> +		dev_err(data->dev, "Error writing reg_int_en0\n");
>>  		return ret;
>>  	}
>>  
>> @@ -352,7 +352,7 @@ static int bmg160_setup_new_data_interrupt(struct bmg160_data *data,
>>  				 BMG160_INT_MAP_1_BIT_NEW_DATA,
>>  				 (status ? BMG160_INT_MAP_1_BIT_NEW_DATA : 0));
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev, "Error updating bits in reg_int_map1\n");
>> +		dev_err(data->dev, "Error updating bits in reg_int_map1\n");
>>  		return ret;
>>  	}
>>  
>> @@ -361,7 +361,7 @@ static int bmg160_setup_new_data_interrupt(struct bmg160_data *data,
>>  				   BMG160_INT_MODE_NON_LATCH_INT |
>>  				   BMG160_INT_MODE_LATCH_RESET);
>>  		if (ret < 0) {
>> -			dev_err(&data->client->dev,
>> +			dev_err(data->dev,
>>  				"Error writing reg_rst_latch\n");
>>  				return ret;
>>  		}
>> @@ -375,7 +375,7 @@ static int bmg160_setup_new_data_interrupt(struct bmg160_data *data,
>>  				   BMG160_INT_MODE_LATCH_INT |
>>  				   BMG160_INT_MODE_LATCH_RESET);
>>  		if (ret < 0) {
>> -			dev_err(&data->client->dev,
>> +			dev_err(data->dev,
>>  				"Error writing reg_rst_latch\n");
>>  				return ret;
>>  		}
>> @@ -384,7 +384,7 @@ static int bmg160_setup_new_data_interrupt(struct bmg160_data *data,
>>  	}
>>  
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev, "Error writing reg_int_en0\n");
>> +		dev_err(data->dev, "Error writing reg_int_en0\n");
>>  		return ret;
>>  	}
>>  
>> @@ -414,7 +414,7 @@ static int bmg160_set_scale(struct bmg160_data *data, int val)
>>  			ret = regmap_write(data->regmap, BMG160_REG_RANGE,
>>  					   bmg160_scale_table[i].dps_range);
>>  			if (ret < 0) {
>> -				dev_err(&data->client->dev,
>> +				dev_err(data->dev,
>>  					"Error writing reg_range\n");
>>  				return ret;
>>  			}
>> @@ -440,7 +440,7 @@ static int bmg160_get_temp(struct bmg160_data *data, int *val)
>>  
>>  	ret = regmap_read(data->regmap, BMG160_REG_TEMP, &raw_val);
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev, "Error reading reg_temp\n");
>> +		dev_err(data->dev, "Error reading reg_temp\n");
>>  		bmg160_set_power_state(data, false);
>>  		mutex_unlock(&data->mutex);
>>  		return ret;
>> @@ -470,7 +470,7 @@ static int bmg160_get_axis(struct bmg160_data *data, int axis, int *val)
>>  	ret = regmap_bulk_read(data->regmap, BMG160_AXIS_TO_REG(axis), &raw_val,
>>  			       2);
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev, "Error reading axis %d\n", axis);
>> +		dev_err(data->dev, "Error reading axis %d\n", axis);
>>  		bmg160_set_power_state(data, false);
>>  		mutex_unlock(&data->mutex);
>>  		return ret;
>> @@ -813,7 +813,7 @@ static int bmg160_trig_try_reen(struct iio_trigger *trig)
>>  			   BMG160_INT_MODE_LATCH_INT |
>>  			   BMG160_INT_MODE_LATCH_RESET);
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev, "Error writing reg_rst_latch\n");
>> +		dev_err(data->dev, "Error writing reg_rst_latch\n");
>>  		return ret;
>>  	}
>>  
>> @@ -879,7 +879,7 @@ static irqreturn_t bmg160_event_handler(int irq, void *private)
>>  
>>  	ret = regmap_read(data->regmap, BMG160_REG_INT_STATUS_2, &val);
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev, "Error reading reg_int_status2\n");
>> +		dev_err(data->dev, "Error reading reg_int_status2\n");
>>  		goto ack_intr_status;
>>  	}
>>  
>> @@ -916,7 +916,7 @@ ack_intr_status:
>>  				   BMG160_INT_MODE_LATCH_INT |
>>  				   BMG160_INT_MODE_LATCH_RESET);
>>  		if (ret < 0)
>> -			dev_err(&data->client->dev,
>> +			dev_err(data->dev,
>>  				"Error writing reg_rst_latch\n");
>>  	}
>>  
>> @@ -1021,7 +1021,7 @@ static int bmg160_probe(struct i2c_client *client,
>>  
>>  	data = iio_priv(indio_dev);
>>  	i2c_set_clientdata(client, indio_dev);
>> -	data->client = client;
>> +	data->dev = &client->dev;
>>  
>>  	ret = bmg160_chip_init(data);
>>  	if (ret < 0)
>> @@ -1188,7 +1188,7 @@ static int bmg160_runtime_suspend(struct device *dev)
>>  
>>  	ret = bmg160_set_mode(data, BMG160_MODE_SUSPEND);
>>  	if (ret < 0) {
>> -		dev_err(&data->client->dev, "set mode failed\n");
>> +		dev_err(data->dev, "set mode failed\n");
>>  		return -EAGAIN;
>>  	}
>>  
> 
> 

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